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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug symtab/31725] [gdb/symtab] wrong .debug_str section used in
 dwarf_decode_macro_bytes
Date: Fri, 10 May 2024 13:46:23 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D31725

--- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> ---
Using:
...
diff --git a/gdb/dwarf2/macro.c b/gdb/dwarf2/macro.c
index a511d0a3b44..7ecaf8044b9 100644
--- a/gdb/dwarf2/macro.c
+++ b/gdb/dwarf2/macro.c
@@ -529,9 +529,8 @@ dwarf_decode_macro_bytes (dwarf2_per_objfile *per_objfi=
le,
                    body =3D dwz->read_string (objfile, str_offset);
                  }
                else
-                 body =3D per_objfile->per_bfd->str.read_string (objfile,
-                                                               str_offset,
-=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20
"DW_FORM_strp");
+                 body =3D str_section->read_string (objfile, str_offset,
+                                                  "DW_FORM_strp");
              }

            is_define =3D (macinfo_type =3D=3D DW_MACRO_define
...
I get instead:
...
$ gdb -q -batch a.out -ex "p main"
DW_FORM_strp pointing outside of .debug_str.dwo section [in module
/home/vries/gdb/a-hello.dwo]
...

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